Extreme Balm 200 By demand, Nature’s Root has taken its award winning Max Sore Muscle Salve to the next level. Providing the same heating and cooling sensation. New Extreme Balm 200 acts more quickly and lasts even longer. With 4x’s the power of hemp oil extract than the “Max” strength. It is optimal for tackling many inflammatory and physical discomforts. Re-apply as desired.